You can use Widget Context plugin to solve your problems. This plugin allows you to hide certain widgets from certain pages.

Step 1: Install and activate Widget Context plugin
step 2: go to the apperance->wiget setting page
step 3: on the side bar, click on the widget you want to hide. Now you will see the plugin in play and you will see the plugin options
step 4:on the Widget Context options select > Hide on selected
Step 5:on "or target by URL" enter the full url of the pages you want to hide the widgets.